172000271 has 4 divisors (see below), whose sum is σ = 182117952. Its totient is φ = 161882592.

The previous prime is 172000259. The next prime is 172000327.

172000271 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172000271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5058815 + ... + 5058848.

It is an arithmetic number, because the mean of its divisors is an integer number (45529488).

Almost surely, 2^172000271 is an apocalyptic number.

172000271 is a deficient number, since it is larger than the sum of its proper divisors (10117681).

172000271 is a wasteful number, since it uses less digits than its factorization.

172000271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117680.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 172000271 is about 13114.8873803781. The cubic root of 172000271 is about 556.1300687279.

It can be divided in two parts, 172000 and 271, that added together give a palindrome (172271).

The spelling of 172000271 in words is "one hundred seventy-two million, two hundred seventy-one", and thus it is an aban number.